Door lock and operation mechanism



FIG. 1 is a front perspective view of a door lock operation mechanism showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevational view of FIG. 1;

FIG. 4 is a front elevational view of FIG. 2;

FIG. 5 is a top plan view thereof, the undisclosed bottom is not part of the claimed design; and,

FIG. 6 is a side elevational view thereof, the opposite side is a mirror image.

The broken lines are included for the purposes of illustration and form no part of the claimed design. 

We claim the ornamental design for a door lock and operation mechanism, as shown and described. 